Powerbeats 3 Wireless. Powerbeats 2 Wireless. Powerbeats 2. Powerbeats 1. Small: 9.5mm 12mm. With one hand hold the ear tip and the other, the In-Ear Earphone Driver. Apply pressure and with a circular motion, twist with one hand clockwise and with the other the opposite direction, until the ear tip has fully covered the Driver of the Earphone.
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